33 results about "Ultrasonic consolidation" patented technology

The embodiments disclosed herein relate generally to magnetic resonance imaging systems and, more specifically, to the manufacturing of a gradient coil assembly for magnetic resonance imaging (MRI) systems. For example, in one embodiment, a method includes ultrasonically consolidating a plurality of sheets of a conductive material to form a consolidated structure and machining one or more conductive channels into the consolidated structure to form an inductor.

A method of forming a composite sheet includes disposing an untextured metal or alloy first sheet in contact with a second sheet in an aligned opposing position; bonding the first sheet to the second sheet by applying an oscillating ultrasonic force to at least one of the first sheet and the second sheet to form an untextured intermediate composite sheet; and annealing the untextured intermediate composite sheet at a temperature lower than a primary re-crystallization temperature of the second sheet and higher than a primary re-crystallization temperature of the first sheet to convert the untextured first sheet into a cube textured sheet, wherein the cube texture is characterized by a φ-scan having a FWHM of no more than 15° in all directions, the second sheet remaining untextured, to form a composite sheet.

A thermal management device suitable for use as an electronic chassis includes a monolithic, monocoque body having integrally formed channels for carrying thermal energy away from a heat source, such as electronic components. The device may be fabricated using additive / subtractive manufacturing processes such as ultrasonic consolidation.

An apparatus for fabricating a fibre reinforced thermoplastic composite structure is described. The apparatus comprises a localised heat source arranged to heat a portion of a stack of fibre reinforced thermoplastic material layers and an ultrasonic transducer arranged to locally introduce ultrasonic energy waves to the heated portion of the fibre reinforced thermoplastic material layers. The apparatus makes it possible to achieve ultrasonic consolidation of the layers occurs.

The invention discloses an ultrasonic consolidation forming method of a zirconium-steel layered composite material, which comprises the following steps: 1) performing surface cleaning treatment on the welding surface of the zirconium plate and the steel plate, 2) stacking the zirconium plate on top and the steel plate on the bottom to form a unit 3) Place the unit body on the ultrasonic consolidation forming workbench, preheat and raise the temperature, 4) Use ultrasonic consolidation forming equipment to weld according to a certain path until the zirconium steel composite forming. The invention belongs to low-temperature manufacturing, zirconium steel is combined by physical metallurgy, the diffusion layer is thin, the production cost is low, and the efficiency is high.

The invention provides a rapid preparation method of a composite material Ti / Al3Ti based on ultrasonic consolidation forming as supplementary means. The method comprises putting a cut Al band and a cut Ti band in an ultrasonic cleaner, washing the bands through alcohol for 15-20min, alternately and orderly stacking the Al band and the Ti band in an order of Al band-Ti band, preparing a Ti / Al prefabricated band through an ultrasonic consolidation fast formation device, separating the Ti / Al prefabricated band obtained by the ultrasonic consolidation forming from a base plate, putting the Ti / Al prefabricated band in a vacuum hot press furnace and carrying out hot press sintering to obtain the layered composite material Ti / Al3Ti. The rapid preparation method solves the problem that the traditional metal foil metallurgy technology for preparing the layered composite material Ti / Al3Ti has a slow reaction rate and a long preparation period, and provides a novel technological approach for further industrialization of the composite material Ti / Al3Ti.

The invention discloses a method of additively manufacturing metal composite board with a built-in circuit and belongs to the field of additively manufacturing. A technical problem is solved by providing such method, by which a circuit is directly wrote to the metal composite board, so that the circuit and the metal composite board are manufactured at the same time to form the integrated metal composite board with the built-in circuit via the additively manufacturing. In one technical scheme for solving the problem, the method includes the steps of: pre-cutting preset circuit paths in a metalfoil material; performing ultrasonic consolidation shaping to the metal foil material; and successively filling the circuit paths with an insulation material, a conductive material and an insulation material, and integrating the circuit with the metal composite board. The method can be widely applied to the field of additively manufacturing.

The invention discloses a gel ultrasonic concussion forming method for metal parts and belongs to the field of metal part preparation in powder metallurgy production process. The method includes the steps that metal powder is suspended in premixed liquid of hydroxyethyl methylacrylate and methylbenzene to obtain high-concentration suspension slurry, and the slurry is poured into a mould to be subject to ultrasonic concussion, wherein the premixed liquid has a certain concentration, and an initiating agent is dissolved in the premixed liquid; curing time is controlled through adjusting the adding quantity of a catalyst in the slurry so that a curing reaction can be completed in the concussion process after a certain time; the viscosity of the slurry is controlled through adding the appropriate amount of macromolecular plasticizer, wherein the problems of uneven density and composition segregation caused by concussion are solved. The method can overcome the defects that a common gel-casting formed product is high in porosity and low in strength, improve solid content of the common gel-casting formed product greatly and prepare high-density and high-strength metal products, and is especially suitable for preparing the metal parts which are difficult to machine, such as cemented carbide and high-melting-point alloy.

The invention relates to an electronic component packaging method based on an ultrasonic consolidation technology, which belongs to the technical field of additive manufacturing. The technical problemto be solved is to provide a method of packging an electronic component using an ultrasonic consolidation technology. The technical scheme adopted to solve the technical problem is as follows: metalfoil is consolidated together layer by layer using an ultrasonic consolidation device, and when the height of the metal foil consolidated reaches the bottom of a groove, the current layer of metal foil is cut to form a hole according to the shape of an electronic component; then, the foil with a hole continues to be consolidated layer by layer to form a groove, the electronic component is installed in the groove, and molten resin is added to fix the electronic component; and finally, the metal foil continues to be consolidated layer by layer for sealing, in order to package the electronic component. The electronic component packaging method provided by the invention is simple and easy to implement, is of low cost, and can realize mass production. The electronic component packaging method can be widely used in the field of electronic component packaging.